small bunch basil, leaves only
1 garlic clove, crushed
1 small red onion, very finely sliced
500g/1lb 2oz very ripe tomatoes
handful black olives
salt and freshly ground black pepper
2 tbsp olive oil
Β½ tsp dried oregano
1 stale ciabatta, or decent sourdough type bread (around 250g/9oz)